Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 15-04-2023 and time 16:44:23 (Italy) in region 2 km W Montagano (CB)

A magnitude ML 2.4 earthquake occured in region: 2 km W Montagano (CB), on

  • 15-04-2023 14:44:23 (UTC)
  • 15-04-2023 16:44:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6520, 14.6500 at 24 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montagano CB 2 1086 1086
Limosano CB 4 768 1854
Ripalimosani CB 5 3114 4968
Petrella Tifernina CB 6 1170 6138
Sant'Angelo Limosano CB 6 352 6490
Matrice CB 7 1115 7605
Castropignano CB 8 947 8552
San Biase CB 9 189 8741
Castellino del Biferno CB 9 545 9286
Fossalto CB 9 1345 10631
Oratino CB 9 1641 12272
Lucito CB 10 696 12968
Campolieto CB 10 839 13807
Campobasso CB 10 49431 63238
Torella del Sannio CB 11 795 64033
San Giovanni in Galdo CB 11 580 64613
Pietracupa CB 11 215 64828
Castelbottaccio CB 12 312 65140
Casalciprano CB 13 564 65704
Morrone del Sannio CB 13 587 66291
Busso CB 13 1273 67564
Toro CB 13 1391 68955
Molise CB 13 167 69122
Campodipietra CB 13 2570 71692
Ferrazzano CB 14 3344 75036
Ripabottoni CB 14 514 75550
Monacilioni CB 14 523 76073
Lupara CB 14 505 76578
Civitacampomarano CB 15 417 76995
Mirabello Sannitico CB 15 2180 79175
Baranello CB 16 2673 81848
Salcito CB 16 683 82531
Duronia CB 16 405 82936
Provvidenti CB 16 119 83055
Trivento CB 17 4730 87785
Bagnoli del Trigno IS 17 735 88520
Sant'Elena Sannita IS 17 275 88795
Gildone CB 17 809 89604
Frosolone IS 18 3170 92774
Spinete CB 18 1320 94094
Vinchiaturo CB 18 3324 97418
Colle d'Anchise CB 19 807 98225
Sant'Elia a Pianisi CB 19 1818 100043
Jelsi CB 19 1781 101824
Casacalenda CB 19 2135 103959

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km N of Benevento (60091 inhabitants)
61 Km W of San Severo (53905 inhabitants)
69 Km NE of Caserta (76326 inhabitants)
77 Km W of Foggia (151991 inhabitants)
82 Km N of Acerra (59573 inhabitants)
83 Km N of Avellino (54857 inhabitants)
84 Km NE of Aversa (53047 inhabitants)
86 Km NE of Afragola (65057 inhabitants)
87 Km SE of Chieti (51815 inhabitants)
88 Km NE of Casoria (77642 inhabitants)
89 Km NE of Giugliano in Campania (122974 inhabitants)
92 Km NE of Marano di Napoli (59874 inhabitants)
95 Km N of Portici (55274 inhabitants)
96 Km NE of Napoli (974074 inhabitants)
97 Km N of Ercolano (53709 inhabitants)
97 Km SE of Pescara (121014 inhabitants)
99 Km N of Torre del Greco (86275 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.4 2023-04-15
14:44:23		 41.6517 14.65 24 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116461921
Reviewed
Rev100 		ML 2.4 2023-04-15
14:44:23		 41.6542 14.6648 21 2023-04-15
14:53:47		 Sala Sismica INGV-Roma 116410621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-15 14:44:23 ± 0.09
Latitude 41.6517 ± 0.0045
Longitude 14.6500 ± 0.0060
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116461921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 94
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 342
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 1.30132
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 86
Type of magnitude ML
Reference to an origin 116410621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-15 14:53:47

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 86
Type of magnitude ML
Reference to an origin 116461921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-23 15:16:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2023-04-15T14:44:49.70 0.6 undecidable manual S 286 88.3449 100 0.19 43
IV.MRVN.HHZ. 2023-04-15T14:44:47.76 0.3 undecidable manual P 116 144.4443 54 1.13 41
IV.CDRU.HHZ. 2023-04-15T14:44:47.19 0.6 undecidable manual P 157 140.0487 54 1.11 28
IV.INTR.HHZ. 2023-04-15T14:44:45.90 0.6 undecidable manual S 303 73.371 102 0.3 43
IV.APRC.HHZ. 2023-04-15T14:44:45.70 0.6 undecidable manual S 81 74.8695 102 -0.28 43
IV.GIUL.HHZ. 2023-04-15T14:44:44.41 0.6 undecidable manual P 265 116.1948 97 1.77 20
OT.OT11.EHZ. 2023-04-15T14:44:42.20 0.6 undecidable manual S 105 58.8966 105 0.38 43
IV.PTQR.HHZ. 2023-04-15T14:44:41.48 0.6 undecidable manual P 292 111.0999 97 -0.38 39
IV.FAGN.HHZ. 2023-04-15T14:44:41.30 0.3 undecidable manual P 308 111.1998 97 -0.58 56
IV.VCEL.EHZ. 2023-04-15T14:44:40.86 0.3 undecidable manual P 321 106.0161 98 -0.22 62
IV.T0110.HHZ. 2023-04-15T14:44:39.27 0.1 undecidable manual P 312 96.4257 99 -0.35 81
IV.PSB1.HHZ. 2023-04-15T14:44:39.70 0.3 undecidable manual S 164 49.3173 109 0.31 68
IV.SNAL.HHZ. 2023-04-15T14:44:38.70 0.3 undecidable manual P 150 93.0402 99 -0.41 60
IV.SGRT.HHZ. 2023-04-15T14:44:38.72 0.3 undecidable manual P 82 91.3419 99 -0.12 65
IV.VVLD.HHZ. 2023-04-15T14:44:38.01 0.3 undecidable manual P 286 88.3449 100 -0.38 62
OT.OT16.EHN. 2023-04-15T14:44:38.70 0.6 undecidable manual S 65 47.619 110 -0.25 46
IV.CAFE.HHZ. 2023-04-15T14:44:37.79 0.1 undecidable manual P 145 84.6486 100 -0.05 88
IV.VAGA.HHZ. 2023-04-15T14:44:37.90 0.6 undecidable manual S 233 43.3233 112 0.01 48
IV.MELA.HHZ. 2023-04-15T14:44:37.00 0.6 undecidable manual S 81 39.9267 114 -0.06 48
IT.GLNS.HNZ. 2023-04-15T14:44:36.80 0.6 undecidable manual S 37 36.4413 116 0.61 42
OT.OT05.EHZ. 2023-04-15T14:44:36.17 0.3 undecidable manual P 89 78.9654 101 -0.79 54
IV.PTRJ.HHZ. 2023-04-15T14:44:35.30 0.6 undecidable manual S 198 33.4443 119 -0.19 47
IV.APRC.HHZ. 2023-04-15T14:44:35.49 0.3 undecidable manual P 81 74.8695 102 -0.86 53
IT.MCLF.HNN. 2023-04-15T14:44:35.60 0.6 undecidable manual S 29 31.746 120 0.5 44
IV.INTR.HHZ. 2023-04-15T14:44:35.92 0.1 undecidable manual P 303 73.371 102 -0.21 88
IV.PIGN.HHZ. 2023-04-15T14:44:34.83 0.3 undecidable manual P 218 63.5919 104 0.18 67
IV.PABO.HHZ. 2023-04-15T14:44:34.15 0.3 undecidable manual S 296 24.2535 129 0.69 62
IT.LRNO.HNZ. 2023-04-15T14:44:34.60 0.6 undecidable manual S 52 28.1496 124 0.31 46
IT.PLTA.HNZ. 2023-04-15T14:44:34.40 0.6 undecidable manual S 24 28.4493 124 0.05 49
IV.MOCO.HHZ. 2023-04-15T14:44:33.83 0.1 undecidable manual P 126 52.503 107 0.82 76
IV.GATE.HHZ. 2023-04-15T14:44:33.94 0.6 undecidable manual S 125 26.4513 126 0.02 50
IV.CERA.HHZ. 2023-04-15T14:44:33.12 0.3 undecidable manual P 264 52.7028 107 0.08 70
OT.OT11.EHZ. 2023-04-15T14:44:33.94 0.6 undecidable manual P 105 58.8966 105 -0.01 47
IV.SACR.HHZ. 2023-04-15T14:44:33.82 0.6 undecidable manual S 171 28.5492 123 -0.56 44
IV.CIGN.HHZ. 2023-04-15T14:44:33.40 0.3 undecidable manual S 89 21.1677 133 0.58 65
IV.LPEL.HHZ. 2023-04-15T14:44:33.86 0.1 negative manual P 319 58.3971 105 -0.02 94
IV.PSB1.HHZ. 2023-04-15T14:44:32.59 0.1 negative manual P 164 49.3173 109 0.05 95
IV.MELA.HHZ. 2023-04-15T14:44:31.06 0.1 positive manual P 81 39.9267 114 -0.14 95
IV.BSSO.HHZ. 2023-04-15T14:44:31.00 0.3 undecidable manual S 202 12.5763 149 -0.37 71
OT.OT16.EHN. 2023-04-15T14:44:31.95 0.1 undecidable manual P 65 47.619 110 -0.34 89
IV.VAGA.HHZ. 2023-04-15T14:44:31.76 0.1 undecidable manual P 233 43.3233 112 0.09 95
IT.GLNS.HNZ. 2023-04-15T14:44:30.81 0.3 undecidable manual P 37 36.4413 116 0.11 72
IV.SGG.HHZ. 2023-04-15T14:44:30.73 0.1 positive manual P 218 37.0296 116 -0.05 97
IV.PTRJ.HHZ. 2023-04-15T14:44:30.11 0.1 undecidable manual P 198 33.4443 119 -0.19 95
IV.SACR.HHZ. 2023-04-15T14:44:29.29 0.1 undecidable manual P 171 28.5492 123 -0.36 92
IT.MCLF.HNN. 2023-04-15T14:44:29.93 0.3 undecidable manual P 29 31.746 120 -0.14 72
IT.PLTA.HNZ. 2023-04-15T14:44:29.61 0.3 undecidable manual P 24 28.4493 124 -0.03 74
IV.GATE.HHZ. 2023-04-15T14:44:29.67 0.1 negative manual P 125 26.4513 126 0.28 94
IV.PABO.HHZ. 2023-04-15T14:44:29.41 0.3 undecidable manual P 296 24.2535 129 0.29 70
IT.LRNO.HNZ. 2023-04-15T14:44:29.50 0.3 undecidable manual P 52 28.1496 124 -0.1 73
IV.CIGN.HHZ. 2023-04-15T14:44:28.79 0.1 positive manual P 89 21.1677 133 0.04 100
IV.BSSO.HHZ. 2023-04-15T14:44:27.81 0.1 positive manual P 202 12.5763 149 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HNE. ML:3.2 0.008559999999999998 0.54 AML other m 2023-04-15T14:44:31.64
IV.BSSO.HHE. ML:3.2 0.00886 0.54 AML other m 2023-04-15T14:44:31.64
IV.CIGN.HHE. ML:2.0 0.0005010214 0.1792 AML other m 2023-04-15T14:44:32.02
IV.BSSO.HNN. ML:3.1 0.00709 0.38 AML other m 2023-04-15T14:44:32.33
IV.BSSO.HHN. ML:3.1 0.007225 0.38 AML other m 2023-04-15T14:44:32.33
IV.CIGN.HHN. ML:2.2 0.0007664159500000001 0.1856 AML other m 2023-04-15T14:44:32.26
IV.SACR.HHN. ML:2.4 0.001024 0.56 AML other m 2023-04-15T14:44:34.20
IV.SACR.HNN. ML:2.4 0.0011225 0.5 AML other m 2023-04-15T14:44:34.21
IV.SACR.HHE. ML:2.5 0.001295 0.74 AML other m 2023-04-15T14:44:34.22
IV.SACR.HNE. ML:2.5 0.00118 0.76 AML other m 2023-04-15T14:44:34.22
IT.LRNO.HNE. ML:2.3 0.0007769999999999999 0.82 AML other m 2023-04-15T14:44:36.02
IV.PTRJ.HHE. ML:2.7 0.00188 0.34 AML other m 2023-04-15T14:44:36.33
IV.PTRJ.HNE. ML:2.7 0.00168 1.46 AML other m 2023-04-15T14:44:36.18
IV.GATE.HNN. ML:2.2 0.00074 0.26 AML other m 2023-04-15T14:44:36.63
IV.GATE.HHN. ML:2.2 0.0007345 0.26 AML other m 2023-04-15T14:44:36.63
IT.GLNS.HNE. ML:2.9 0.0024700000000000004 0.2 AML other m 2023-04-15T14:44:37.01
IT.GLNS.HNN. ML:2.9 0.00271 0.24 AML other m 2023-04-15T14:44:37.06
IV.SGG.HHN. ML:2.4 0.0007685 1.64 AML other m 2023-04-15T14:44:37.06
IT.LRNO.HNN. ML:2.3 0.0007925 0.84 AML other m 2023-04-15T14:44:38.54
IV.MELA.HHN. ML:2.8 0.0016899999999999999 0.18 AML other m 2023-04-15T14:44:38.13
IV.MELA.HNN. ML:2.7 0.001605 0.98 AML other m 2023-04-15T14:44:38.14
IV.MELA.HNE. ML:2.5 0.0009605 0.08 AML other m 2023-04-15T14:44:38.32
IV.MELA.HHE. ML:2.6 0.001155 0.08 AML other m 2023-04-15T14:44:38.32
IV.PTRJ.HHN. ML:2.5 0.00121 0.3 AML other m 2023-04-15T14:44:38.32
IV.PTRJ.HNN. ML:2.4 0.0009490000000000001 0.28 AML other m 2023-04-15T14:44:38.34
IV.SGG.HHE. ML:2.3 0.000711 1.38 AML other m 2023-04-15T14:44:39.25
IV.GATE.HHE. ML:2.3 0.0008265 1.4 AML other m 2023-04-15T14:44:40.02
IV.GATE.HNE. ML:2.3 0.0008420000000000001 1.4 AML other m 2023-04-15T14:44:40.02
IV.PSB1.HHE. ML:2.0 0.00025 0.64 AML other m 2023-04-15T14:44:41.59
IV.VAGA.HNE. ML:2.3 0.0005875 0.36 AML other m 2023-04-15T14:44:42.61
IV.VAGA.HHE. ML:2.3 0.000605 0.36 AML other m 2023-04-15T14:44:42.61
OT.OT11.EHN. ML:2.8 0.0011799999999999998 0.96 AML other m 2023-04-15T14:44:43.98
IV.MOCO.HHN. ML:1.7 0.00011350000000000001 1.52 AML other m 2023-04-15T14:44:43.80
IV.MOCO.HNN. ML:1.7 0.0001135 1.52 AML other m 2023-04-15T14:44:43.04
OT.OT11.EHE. ML:2.7 0.0009220000000000001 0.68 AML other m 2023-04-15T14:44:43.59
IV.VAGA.HHN. ML:2.5 0.0008035000000000001 0.8 AML other m 2023-04-15T14:44:44.44
IV.VAGA.HNN. ML:2.4 0.000796 0.8 AML other m 2023-04-15T14:44:44.84
IV.LPEL.HHE. ML:2.7 0.00102 0.16 AML other m 2023-04-15T14:44:44.61
IV.LPEL.HNE. ML:2.7 0.0010385 0.16 AML other m 2023-04-15T14:44:44.61
IV.LPEL.HHN. ML:2.6 0.0007809999999999999 0.74 AML other m 2023-04-15T14:44:44.61
IV.LPEL.HNN. ML:2.5 0.0006335 0.48 AML other m 2023-04-15T14:44:44.61
IV.PSB1.HHN. ML:2.1 0.0002725 0.52 AML other m 2023-04-15T14:44:44.66
IV.MOCO.HHE. ML:1.9 0.0001735 1.14 AML other m 2023-04-15T14:44:45.09
IV.MOCO.HNE. ML:2.0 0.000193 1.14 AML other m 2023-04-15T14:44:45.09
IV.INTR.HHN. ML:2.7 0.0007415000000000001 1.34 AML other m 2023-04-15T14:44:46.18
IV.INTR.HNN. ML:2.6 0.0006885 1.36 AML other m 2023-04-15T14:44:46.86
IV.INTR.HHE. ML:2.5 0.0005215 1.52 AML other m 2023-04-15T14:44:47.83
IV.INTR.HNE. ML:2.6 0.000593 1.52 AML other m 2023-04-15T14:44:47.83
IV.APRC.HHN. ML:2.5 0.0004305 1.46 AML other m 2023-04-15T14:44:47.78
IV.PIGN.HHN. ML:1.9 0.0001515 0.76 AML other m 2023-04-15T14:44:48.20
IV.CERA.HNN. ML:2.6 0.0009005 0.68 AML other m 2023-04-15T14:44:49.39
IV.CERA.HHN. ML:2.6 0.0009035 0.68 AML other m 2023-04-15T14:44:49.39
IV.APRC.HHE. ML:2.3 0.0003115 0.52 AML other m 2023-04-15T14:44:49.17
IV.VVLD.HHE. ML:2.3 0.00022250000000000001 0.76 AML other m 2023-04-15T14:44:49.58
IV.PIGN.HNE. ML:2.0 0.00017299999999999998 1.74 AML other m 2023-04-15T14:44:50.95
IV.PIGN.HHE. ML:2.0 0.00019800000000000002 1.68 AML other m 2023-04-15T14:44:50.95
IV.PIGN.HNN. ML:1.9 0.0001515 0.64 AML other m 2023-04-15T14:44:50.65
IV.CERA.HHE. ML:2.3 0.000479 1.42 AML other m 2023-04-15T14:44:50.21
IV.CERA.HNE. ML:2.3 0.000461 1.42 AML other m 2023-04-15T14:44:50.21
IV.CAFE.HHE. ML:2.2 0.000182 0.2 AML other m 2023-04-15T14:44:52.34
IV.CAFE.HNE. ML:2.2 0.00018099999999999998 0.22 AML other m 2023-04-15T14:44:52.34
IV.SGRT.HHE. ML:2.6 0.00041549999999999996 0.22 AML other m 2023-04-15T14:44:54.11
IV.SGRT.HHN. ML:2.5 0.000321 1.18 AML other m 2023-04-15T14:44:55.29
IV.CAFE.HHN. ML:2.0 0.0001275 0.42 AML other m 2023-04-15T14:44:56.10
OT.OT12.EHN. ML:2.6 0.000406 0.32 AML other m 2023-04-15T14:44:56.12
OT.OT12.EHE. ML:2.6 0.00034700000000000003 0.3 AML other m 2023-04-15T14:44:56.16
IV.VVLD.HHN. ML:2.2 0.000182 0.46 AML other m 2023-04-15T14:44:56.55
IV.T0110.HHN. ML:2.5 0.0003125 1.72 AML other m 2023-04-15T14:44:57.91
IV.SNAL.HNN. ML:2.3 0.00022150000000000002 0.4 AML other m 2023-04-15T14:44:57.87
IV.SNAL.HHN. ML:2.2 0.00017749999999999998 0.42 AML other m 2023-04-15T14:44:57.88
IV.CAFE.HNN. ML:2.0 0.00013550000000000001 0.58 AML other m 2023-04-15T14:44:57.92
IV.SNAL.HHE. ML:2.3 0.0002095 0.7 AML other m 2023-04-15T14:44:59.40
IV.SNAL.HNE. ML:2.3 0.000195 0.68 AML other m 2023-04-15T14:44:59.40
IV.T0110.HHE. ML:2.5 0.0002915 0.7 AML other m 2023-04-15T14:45:00.76
IV.PTQR.HHE. ML:1.7 0.0000447 1.28 AML other m 2023-04-15T14:45:01.85
IV.VCEL.EHN. ML:2.3 0.00016599999999999997 0.42 AML other m 2023-04-15T14:45:02.04
IV.FAGN.HHN. ML:2.5 0.00028700000000000004 1.48 AML other m 2023-04-15T14:45:05.94
IV.FAGN.HHE. ML:2.5 0.0002455 0.36 AML other m 2023-04-15T14:45:06.21
IV.VCEL.EHE. ML:2.4 0.0001965 0.58 AML other m 2023-04-15T14:45:08.94
IV.PTQR.HHN. ML:1.9 0.00005945 1.64 AML other m 2023-04-15T14:45:09.14
IV.CDRU.HHE. ML:1.9 0.000046649999999999996 0.24 AML other m 2023-04-15T14:45:10.33
IV.MRVN.HHE. ML:2.0 0.000060400000000000004 0.78 AML other m 2023-04-15T14:45:10.48
IV.MRVN.HHN. ML:2.2 0.00007965 0.4 AML other m 2023-04-15T14:45:10.50
IV.CDRU.HHN. ML:1.8 0.000039099999999999995 0.44 AML other m 2023-04-15T14:45:12.29
IV.SMA1.EHN. ML:2.2 0.00006809999999999999 0.94 AML other m 2023-04-15T14:45:20.58
IV.SMA1.EHE. ML:2.1 0.00005355 0.42 AML other m 2023-04-15T14:45:24.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download